Nez Perce County Flag

Nez Perce County

State:
Idaho
County Seat:
Lewiston

Nez Perce County's estimated 2025 population is 43,143 with a growth rate of 0.18% in the past year according to the most recent United States census data. Nez Perce County is the 10th largest county in Idaho. The 2010 population was 39,317 and has seen a growth of 9.73% since that time.

43,143
Total Population
51
Population Density (miĀ²)
10
Population Rank (State)
78 0.18%
Annual Population Growth

Nez Perce County Population

Nez Perce County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Nez Perce County includes 88.36% White, 4.5% Native American, and smaller percentages for Asian, other race, Native Hawaiian or Pacific Islander, Black or African American and multiracial populations.

Population by Race

White

Two or more races

Native American

Asian

Other race

Native Hawaiian or Pacific Islander

Black or African American

Race
Population
Percentage (of total)
White37,53388.36%
Two or more races2,1685.1%
Native American1,9114.5%
Asian3660.86%
Other race3260.77%
Native Hawaiian or Pacific Islander1300.31%
Black or African American430.1%

Nez Perce County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Nez Perce County's average per capita income is $48,216. Household income levels show a median of $71,466. The poverty rate stands at 13.11%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$101,269-
Families$91,340$108,448
Households$71,466$91,289
Non Families$38,083$54,714

$48,216

Average Income

$71,466

Median Household Income

13.11%

Poverty Rate